毕业设计（论文）-立卧三面镗床系统设计

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1、南京林业大学毕业论文.摘要本设计主要由两大部分所组成：镗床液压系统设计和微机控制系统设计。第一章主要介绍液压站的设计。为了满足机床对液压系统的工作要求，液压系统中采用双泵供油、多缸动作互不干扰回路，综合考虑选用液压元件、管件、标准紧固件，及电动机、油箱等。同时在设计此液压站时考虑到结构上的合理布置，以便于安装与维护。绘制液压站装配图时，应用CAD软件进行操作，方便快捷。液压站采用了单片机控制，此控制系统体积小、结构合理、工作可靠。本设计选用AT89C51作为主电路芯片，完成硬件线路和软件的编制。硬件电路设计主要介绍复位电路、电源电路、电磁阀驱动电路、显示电路等在电磁阀驱动电路中

2、采用光电隔离技术，并利用达林顿管进行电磁阀功率的放大。在编制软件时采用模块化设计，主要包括主模块和子模块。关键词：液压泵站，单片机，光电隔离，控制33南京林业大学毕业论文AbstractThisdesignismainlyformedbythetwogreatestparts:theporingmachinehydraulicsystemdesignandthemicrocomputercontrolsystemdesign.Thefirstchaptertellsusthedesignofthehydraulicpumpstation.Forsatisfyingthepori

3、ngtooltotheworkrequestofthehydraulicsystem,thehydraulicsystemadoptsthedoublepumpswhichprovidetheoilandmanyurnsactionwitheachotherthatnotinterferethebacktrack.Thesystemchooseshydrauliccomponents,tubepieces,standardtightfirmware,theelectricmotor,oiltankandsoonunderthecomprehensiveconsideration

4、.Meanwhiledesigningthishydraulicpumpstation,thesystemconsidersthereasonablearrangeonthestructureforeasilystallingandsupporting.Whendrawingthehydraulicpumpstationassemblingdiagram.IapplythesoftwareofCADtocarryontheoperation.Theoperationisconvenientandfast.Thesystemusesthemicrocomputercontrol,

5、thiscontrolsystemphysicalvolumeissmall,thestructureisreasonableandtheworkiscredible.ThisdesignchoosestobethemainelectriccircuitchipwiththeAT89C51,completingthehardwarecircuitandtheestablishmentofthesoftware.Thearticleintroducestheresettheelectriccircuit,thepowerelectriccircuit,theelectromagn

6、etismvalvetodrivetheelectriccircuit,theshowelectriccircuitandsoon.Theelectromagnetismvalvedriveelectriccircuitutilizesthetechniqueofinsulationlight.Furthermore,thecircuitmakesuseofDaLinDunpipetocarryontheelectromagnetismvalvepower'senlarge.Thesystemadoptsthemoduledesignwhiledrawingupthesoftw

7、are.Itincludesthemainmoduleandthesonmodule.Keywords:thehydraulicpumpstation,microcontroller,insulationlightandelectricity,control33南京林业大学毕业论文目录绪论11.本毕业设计任务简介12.本毕业设计的思路11立卧三面镗床液压系统设计计算21.1明确对镗床液压系统设计要求及工作环境21.2液压缸的负载分析21.2.1夹紧油缸负载分析21.2.2立头油缸负载分析21